Granted Patent
Utility
US 6,116,828 · App. 09/058,363
Gear cutting method and apparatus
Inventors:
Tsuneo Egawa, Yozo Nakamura, Satoshi Morimoto, Hirofumi Kage, Yukihisa Nishimura
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Apr 10, 1998
Inventors
Tsuneo Egawa
Yozo Nakamura
Satoshi Morimoto
Hirofumi Kage
Yukihisa Nishimura
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.